Bench chain grinder



FIG. 1 is a front-right perspective view of a bench chain grinder, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a back-left perspective view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter. 

The ornamental design for a bench chain grinder, as shown and described. 